Troubleshooting Guide; Check Power - Panasonic KX-TGE210B Service Manual

3.3.

Troubleshooting Guide

3.3.1.

Check Power

3.3.1.1. Handset
[Changed from original section "10.1.1.2. Handset"]
Is the battery inserted BATT+ and BATT-?
Is the voltage of BATT+ 2.3 V more?
Is the voltage of +1.8V about 1.8 V?
Is the voltage of CP3V about 3.0 V?
Is the voltage of CP4V about 4.0V ?
(When LED is On)
Does BBIC (IC1: 7) oscillate at 10.368 MHz?
Check BBIC (IC1).
Cross Reference:
Power Supply Circuit/Reset Circuit (P.6)
Note:
(*1) Refer to Circuit Board (Handset_Main) (P.17).
YES
(*1)
YES
(*1)
YES
(*1)
YES
(*1)
YES
YES
NO
Check F1 is not open.
Check the battery and around BATT+ and
BATT- are not shorted.
NO
Check Power Supply Circuit/Reset Circuit .
NO
NO
Check BBIC (IC1).
NO
Check X1.
8
YES